Rod-pulling device



Dec. 20, 192 7.

W. HOLT ROD PULLING DEVICE v2 Sheets-Sheet 1 Filed July l5. 1926 pee. zo, 1927. I 1,653,046

W. HOLT i non PULLING DEVICE Filed July 15. 192e 2 sneets-sheet 2 fa/"nag,

' fishing for the sucker-rod Patented Dec. 20,l 1927.

, 1,653,045 UNITED ysi"-..TE's 'PATENT i `WILLIAM nom, or ELnonAno, xANsAs, AssIeNon'ro rnrna arrastrarLnonAJar,l or

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vnon-rrrLLmef DEVICE.

Appncau'on mea l.'mly'ns, 19.26.- snai 30.122,621.

My invention relatesvyto a rod Pulling device, and the same has forits general object to provide an yimproved construction of means whereby to recover rods and tools 6 from oil wells.

One of the principal objects of the pres ent invention is the provision of a rod pulling device in which the `locking means tor ho ding the sucker-rod gripping means in V elevated or set position cannot be released or set off because of the jolt or jar resulting `from the engagement of the descending pulling device with the fluid or mud in the tubing of the oil well;` and to this end the locking means involved in the present invention is so constructed and mounted and is so ar'- ranged with relation to the sucker-'rod gripping means that when dropping a string of rod carrying the rod pulling device, the

' 20 locking means therein can be released or set forming a part of this specification, and 1n which,

.'Fig. 1 re the exterior of a rod pulling device made in accordance with the' presentv invention;

as Fi .Y 2 is a lon 'tudinal section taken on the line 2-2 of i 1 showing the locking means set orlocke with the various parts in the relative positionsthey occupy when to be recovered;

In Fi .-3 1s, asimilar longitudinal section,

but s owing the locking means set olf or released with the various parts in the relative' sitions they occupy when the sucker-rod 1s being withdrawn fromthe well; v 48,. Fi 4 represents a cross section taken on the line 4-4 of Fig. 3; Fig.

. ig. 6 isa longitudinal section through l0 vthe supporting cylindrical body .and sockethead; and,

Fig. 7 is a detail means employed in setting the locking means.

resents, an -elevational view ofa socket-head 23 and itis s 5 represents'ar detail of the support-l in c lindrical body and socket-head;

view in plan of the collar With more particular reference to. theparts shown in the accompanying drawings, 8 deslgnates an outerhousing of cylindrical form and 9 'designates attaching lmeans which is threaded or removably' mounted at the upper end ofthepiiter housing 8. The top of the attaching means 9 is threaded lor attachment to a lifting or operating element 10. The attaching means `9 is-prvitfled` with l suitable flat'sides 11 forA engagiemntby suitable tools. vExtending upwardly finto the end. is a chamber 12and prce'edngfiirther into the body of the attaching means from the top end of thegchambeifl?. i 'The sucker-rod griplping ineal omprise's a collar 14 with simi argrippingelements or shanks 15 formed at their Ilower ends with bore-13.

gripping jaws 16 provided -wit'hinside teeth 17 for engagingand biting into' the*s'ucl'rerl rod to be recovered from the well. '-lhe collar 14 is threaded upon or attached-to anfiliv which is threaded an adjustingffscrew ``:19

which occupies a position `loetvveen"1""the`4 Shanks `15. Y The parts so far described are stood. v l v In the drawings, wherein I have illustrate A ed by way of example the preferred embodiment ofA my present invention, theintermediate body 18 is provided with a collar 203 at its top end,

otherwise sultably `attached to :a` carrying sleeve 21. Telesco 'ing 4withinthis sleeve is.

a supporting cylindrical body 22y threaded at itsl top end within thebore 13to the at` taching means '9. 'This supporting cylindrif cal body 22 is formed at its lower end with which collar `is threaded or nally as at 24' in order that t e socket-head l l -p1n 25 which is designed to have its lower end thrust inside' the socket-head 23 to presed and telescoped by the car'.-

vent said socket-head from collapsing so that the carrying sleeve 21 may besuppqrt- .head 23,

ed thereon when the parts are in the rela- -tive positions shown n in Fig. 2, when the pulling device is to be dro ped into the oil well for fishing for the suc be recovered. For the accommodation of the socket-head 23 a suitable chamber 26 is provided in the intermediate body 18.

VFixed to the locking in 25 is a transverse pin 27 which is taken t rough a lost motion slot 28 provided for the purpose in the supporting cylindrical body22 and thistransverse pin 27 is fixed to the locking pin 25 at such thelocking pin is engaged inside the socketthe u per end of the carrying sleeve 21 will come Eelow it, so that upon upward 4movement of the carrying sleeve, the lockwithdrawn from the socketthe supporting cylinthe carryin sleeve 21 ing in will be headl.J Surroundin drical body22 andl 'and imprisoned between the attac in means 9 and t e collar 2O is a strong coile spring 29 which tends to separate the attaching means 9 from the carrying sleeve 21 and i for efectin 4ov pin from t head, so that t 4 parts subjoined thereto.

en the rod pulling device is to be dropped into the well, the various parts are in the relative positions shown in Fig. 2, with the carrying sleeve and parts sub'- `oined thereto su ported upon the socketeed 23 whichis the locking pin 25. Now, upon the engagement of a sucker rod as 30 with the adjusting screw 19, the attaching means 9 and the intermediate body 18 are moved toward each other, the spring 29 being compressed and the carrying sleeve 21, which moveswithv the intermediatebod serving as the means the wit dra'wal of the locking e socket-head. Following this action, and u on the upward movement of thev pullin evice, the intermediate body parts subjoined thereto moving downwardly within the casing, (causes lthe carrying sleeve to colla se and telescope the sockete parts will occupy the relative positions shown in Fig. 3. j

Under the construction and arrangement herein shown, it will be observed that it requires the engagement of the sucker rod 30 with the adjusting or contact screw 19 and the weight of the attaching means 9 (with the column or chain of rods thereabove) to compress the spiral sprin 29 sufciently to effect the withdrawall o the locking pin from. the socket-head, and that the jolt or jar occasioned by the enga ement of the device with the fluid or of the well, will not mud within the tu in the release of the lockbe sufiicient to effect in means.` j

n order to remove the sucker rod from the gripping jaws 16, 1t is necessary to so exert pressure upon the sucker rod and upon the attaching means 9 that the carrying sleeve er rod or tool to,

position that when the lower end of.

eld against `collapsing by 21 will advance toward the attaching means 9 so as to release the socket-head for its eX- pansion at the lower end of the carrying sleeve; and in order to project the locking pin into the expanded socket-head, I provide upon a cylindrical portion 31 of the attaching means 9 a slidable collar 32 in which is fixed a pin 33 in position jto engage the top end of the locking pin, there being suitable' elongated slots 34 provided in the attaching means 9 for the operation of the pin 33. From what has been said, it will be understood that the collar 32 may be manipulated to interlock the locking pin with the socket-head at the time the parts of the device are moved together for the release oflthe. sucker-rod.

While I have illustrated and described the preferred form of construction for carrying my invention into effect, thisjisv capable of variation andv modification Without departing from the spirit of the invention. I, therefore, do notwish to be' limited to the precise details of construction set forth, but desire to avail myself of such variations and modifications as come within the scope of the appended claims.

Having described my invention, what I claim as new and desire to secure by Letters Patent is:

1. A. rod pulling device including carrying means having rod gripping means; col- 'asl lapsible means arranged to support said carrying means; and locking means associated with 'said collapsible means, substantially as described.

2. A rod pulling device including sleeve means movably mounted and carrying'rod gripping means; a body with a circumferentially adjustable socket-head arranged to NNI support said carrying sleeve; and locking means engaging said socket-head and movlably mounted to permitcircumferential adjustment of the same for the release of said carrying sleeve substantially as described.

3. A rodv pulling device includin sleeve means movably mounted and carr gripping means; a body with a circumferentially adjustable socket-head arranged to support said carrying sleeve; locking means engaging said socket-head and movably mounted to permit circumferential adjustment of the same, and means controlled by the movement of said carrying sleeve controlling the operation of said locking means,

lsubstantially as described.

4. A rod ulling device including sleeve means mova ly mounted and carrying rod iio ying rod gripping means; resilient means arranged to f urge the movement of said carrying sleeve; a body with a circumferentially adjustable socket-head arranged to support said carrying sleeve; and locking means engaging said socket-head and movably mounted to perymit circumferential adjustment of the same for the release of said carrying sleeve under gri pingv means, a supporting body pendant the urgeof the resilient means, substantially inside the casing, extending through said as descri/bed. v sleeve and .having a socket-head adapted t 60 5. A rod pulling device including sleeve protrude over the lower end of said sleeve;

means movably mounted and carrying rod a locking pin slidable in said supporting grlpping means; a cylindrical body slidably body; and collar means on the casing carryfitting inside said sleeve and having a socketing a pin workable in a slot in the casing t0 head for supporting said sleeve; a locking engage said locking pin to thrust the lower 55 pin slidably arranged in said cylindrical en thereof inside said socket-head, substanbody and. engaging inside said socket-head; tially as described.

and means controlled by the movement of .10. In a rod pulling device, the combinasaid sleeve controlling the withdrawal of tion with a supporting body telescoping said locking pin from said socket-head, sub- Within a carrying sleeve and means tending 60 stantally as described. to separate said elements, y of a yieldable 6. A rod pulling device including a mov-l socket-head on the lower end of the supportably mounted carrying sleeve having rod ing body engaging over the corres ending gripping means; a body with a collapsible end o f the sleeve; anda movableloc ing pin socket-head cooperating with said sleeve; a enterlng said socket-head, substantially as B5 movable locking pin engaging said socketdescribed. 4 v

head and holding it spread for the support 11. In a rod pulling device the combinathereon of said sleeve; and means for withtion with a supportmg body telescoping drawing said pin from said socket-head sub'- within a carryingsleeve and means tending stantially as described. to separate said elements,',of a yieldable 'l0 i 7. A rod pulling device including a movsocket-head on the lower end of the support-` ably mounted carrying sleeve having rod ing body engaging over the lower end of the gripping means; a supporting body extend-l sleeve; a movable locking. pm vwithin the ing through said sleeve and having a socketsupporting body entering sald socket-head; head protruding over the lower end thereof; and a member ri 'd with said locking pin 75 a locking pin loosely itting within said suptaken through sai supporting body and enso porting body and extending inside said gaging against the up er end of said sleeve, socket-head; a member projecting from said substantially as descri ed.

locking pin and engaglng against the upper 12. In a rod pulling device, the oombinal end of said sleeve; and spring means artion with a caslng havlng a chamber therein ranged to urge said sleeve to telescope said and acylindrical supporting body dependsocket-head, substantially as described. ing within said chamber, of carrying means y 8. A rod pulling device including a movsleeved upon said supporting body; a socketably mounted carrying, sleeve having rod head on said supporting body engaging'the gripping means; a supporting body extendlower end of the carry1ngmeans;la sprlng 85 ing downwardly through said sleeve and Within said chamberurging thecarrying 40 having a socket-head adapted to protrude means to .telescope said socket-head; a lockover the lower end of said sleeve; a locking lng p1n shdably arranged 11i-said supporting in slidably arranged on said supporting body; and means 011 Sad 033mg fol' movlng pin to thrust the lower end thereof inside Said Sockt Gad, Substantially 3S fesclibei said socket-head, substantially as described. In testlmPny Wlle'eqf I have Slgned my 9. In combination, -a tubular casing; a Dame t0 15h15 speclcatlon i sleeve movable therein and carryingA rod WILLIAM HOLT.

Ody; and means for moving Said lockmg said lockinglpin to enter the end thereof in a0 

